php教程

CollectionModify::__construct

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CollectionModify::__constructCollectionModify constructor

说明

private mysql_xdevapi\CollectionModify::__construct ( void )

Modify (update) a collection, and is instantiated by the Collection::modify() method.

参数

此函数没有参数。

范例

Example #1 mysql_xdevapi\CollectionModify::__construct() example

<?php
$session 
mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();

$schema     $session->getSchema("addressbook");
$collection $schema->createCollection("people");

$result $collection
  
->add(
  
'{"name":   "Bernie",
    "traits": ["Friend", "Brother", "Human"]}'

  ->
execute();

$collection
  
->modify("name in ('Bernie', 'Jane')")
  ->
arrayAppend('traits''Happy')
  ->
execute();

$result $collection
  
->find()
  ->
execute();

print_r($result->fetchAll());
?>

以上例程的输出类似于:

Array
(
    [0] => Array
        (
            [_id] => 00005b6b5361000000000000010c
            [name] => Bernie
            [traits] => Array
                (
                    [0] => Friend
                    [1] => Brother
                    [2] => Human
                    [3] => Happy
                )
        )
)

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